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New laser is as small as a virus

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Researchers have created miniature laser devices that are the size of virus particles and that operate at room temperature.

“The reason we can fabricate nanolasers with sizes smaller than that allowed by diffraction is because we made the lasing cavity out of metal nanoparticle dimmers—structures with a 3D ‘bowtie’ shape,” says Teri Odom of Northwestern University.

Full story at Futurity.

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Photo credit: American Chemical Society

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